/* The following code was generated by JFlex 1.4.3 on 2/15/12 5:02 PM */ /* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2007-2011 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * http://glassfish.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.jersey.json.impl.reader; /** * This class is a scanner generated by * <a href="http://www.jflex.de/">JFlex</a> 1.4.3 * on 2/15/12 5:02 PM from the specification file * <tt>/var/hudson/workspace/Jersey-deploy-STAGING/jersey/jersey-json/src/main/jflex/json.flex</tt> */ class JsonLexer { /** This character denotes the end of file */ public static final int YYEOF = -1; /** initial size of the lookahead buffer */ private static final int ZZ_BUFFERSIZE = 16384; /** lexical states */ public static final int STRING = 2; public static final int YYINITIAL = 0; /** * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l * at the beginning of a line * l is of the form l = 2*k, k a non negative integer */ private static final int ZZ_LEXSTATE[] = { 0, 0, 1, 1 }; /** * Translates characters to character classes */ private static final String ZZ_CMAP_PACKED = "\10\0\2\1\1\30\2\0\1\30\22\0\1\1\1\0\1\27\10\0"+ "\1\7\1\10\1\2\1\5\1\32\1\3\11\4\1\11\6\0\4\34"+ "\1\6\1\34\24\0\1\12\1\31\1\13\3\0\1\23\1\33\2\34"+ "\1\21\1\22\5\0\1\24\1\0\1\26\3\0\1\17\1\25\1\16"+ "\1\20\5\0\1\14\1\0\1\15\uff82\0"; /** * Translates characters to character classes */ private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED); /** * Translates DFA states to action switch labels. */ private static final int [] ZZ_ACTION = zzUnpackAction(); private static final String ZZ_ACTION_PACKED_0 = "\2\0\1\1\1\2\1\1\2\3\1\4\1\5\1\6"+ "\1\7\1\10\1\11\3\1\1\12\1\13\1\14\6\0"+ "\1\15\1\16\1\0\1\17\1\20\1\21\1\22\1\23"+ "\1\24\1\3\1\0\1\3\4\0\1\25\1\0\1\26"+ "\1\0\1\27\1\0\1\30"; private static int [] zzUnpackAction() { int [] result = new int[48]; int offset = 0; offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result); return result; } private static int zzUnpackAction(String packed, int offset, int [] result) { int i = 0; /* index in packed string */ int j = offset; /* index in unpacked array */ int l = packed.length(); while (i < l) { int count = packed.charAt(i++); int value = packed.charAt(i++); do result[j++] = value; while (--count > 0); } return j; } /** * Translates a state to a row index in the transition table */ private static final int [] ZZ_ROWMAP = zzUnpackRowMap(); private static final String ZZ_ROWMAP_PACKED_0 = "\0\0\0\35\0\72\0\72\0\127\0\164\0\221\0\72"+ "\0\72\0\72\0\72\0\72\0\72\0\256\0\313\0\350"+ "\0\72\0\u0105\0\72\0\u0122\0\u013f\0\u015c\0\u0179\0\u0196"+ "\0\u01b3\0\72\0\72\0\u01d0\0\72\0\72\0\72\0\72"+ "\0\72\0\72\0\u01ed\0\u020a\0\u020a\0\u0227\0\u0244\0\u0261"+ "\0\u027e\0\72\0\u029b\0\72\0\u02b8\0\72\0\u02d5\0\72"; private static int [] zzUnpackRowMap() { int [] result = new int[48]; int offset = 0; offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result); return result; } private static int zzUnpackRowMap(String packed, int offset, int [] result) { int i = 0; /* index in packed string */ int j = offset; /* index in unpacked array */ int l = packed.length(); while (i < l) { int high = packed.charAt(i++) << 16; result[j++] = high | packed.charAt(i++); } return j; } /** * The transition table of the DFA */ private static final int [] ZZ_TRANS = zzUnpackTrans(); private static final String ZZ_TRANS_PACKED_0 = "\1\3\1\4\1\5\1\6\1\7\3\3\1\10\1\11"+ "\1\12\1\13\1\14\1\15\1\16\3\3\1\17\3\3"+ "\1\20\1\21\1\4\4\3\27\22\1\23\1\0\1\24"+ "\3\22\40\0\1\6\1\7\35\0\1\25\1\26\12\0"+ "\1\26\16\0\2\7\1\25\1\26\12\0\1\26\32\0"+ "\1\27\40\0\1\30\31\0\1\31\14\0\27\22\3\0"+ "\3\22\16\0\1\32\1\33\1\34\1\0\1\35\3\0"+ "\1\36\1\37\1\0\1\40\1\41\1\42\4\0\2\43"+ "\32\0\1\44\2\45\2\0\1\44\45\0\1\46\40\0"+ "\1\47\34\0\1\50\13\0\2\51\1\0\1\51\12\0"+ "\3\51\7\0\2\51\3\0\2\43\1\0\1\26\12\0"+ "\1\26\16\0\2\45\51\0\1\52\40\0\1\53\33\0"+ "\1\54\13\0\2\55\1\0\1\55\12\0\3\55\7\0"+ "\2\55\21\0\1\56\16\0\2\57\1\0\1\57\12\0"+ "\3\57\7\0\2\57\3\0\2\60\1\0\1\60\12\0"+ "\3\60\7\0\2\60"; private static int [] zzUnpackTrans() { int [] result = new int[754]; int offset = 0; offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result); return result; } private static int zzUnpackTrans(String packed, int offset, int [] result) { int i = 0; /* index in packed string */ int j = offset; /* index in unpacked array */ int l = packed.length(); while (i < l) { int count = packed.charAt(i++); int value = packed.charAt(i++); value--; do result[j++] = value; while (--count > 0); } return j; } /* error codes */ private static final int ZZ_UNKNOWN_ERROR = 0; private static final int ZZ_NO_MATCH = 1; private static final int ZZ_PUSHBACK_2BIG = 2; /* error messages for the codes above */ private static final String ZZ_ERROR_MSG[] = { "Unkown internal scanner error", "Error: could not match input", "Error: pushback value was too large" }; /** * ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code> */ private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute(); private static final String ZZ_ATTRIBUTE_PACKED_0 = "\2\0\2\11\3\1\6\11\3\1\1\11\1\1\1\11"+ "\6\0\2\11\1\0\6\11\1\1\1\0\1\1\4\0"+ "\1\11\1\0\1\11\1\0\1\11\1\0\1\11"; private static int [] zzUnpackAttribute() { int [] result = new int[48]; int offset = 0; offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result); return result; } private static int zzUnpackAttribute(String packed, int offset, int [] result) { int i = 0; /* index in packed string */ int j = offset; /* index in unpacked array */ int l = packed.length(); while (i < l) { int count = packed.charAt(i++); int value = packed.charAt(i++); do result[j++] = value; while (--count > 0); } return j; } /** the input device */ private java.io.Reader zzReader; /** the current state of the DFA */ private int zzState; /** the current lexical state */ private int zzLexicalState = YYINITIAL; /** this buffer contains the current text to be matched and is the source of the yytext() string */ private char zzBuffer[] = new char[ZZ_BUFFERSIZE]; /** the textposition at the last accepting state */ private int zzMarkedPos; /** the current text position in the buffer */ private int zzCurrentPos; /** startRead marks the beginning of the yytext() string in the buffer */ private int zzStartRead; /** endRead marks the last character in the buffer, that has been read from input */ private int zzEndRead; /** number of newlines encountered up to the start of the matched text */ private int yyline; /** the number of characters up to the start of the matched text */ private int yychar; /** * the number of characters from the last newline up to the start of the * matched text */ private int yycolumn; /** * zzAtBOL == true <=> the scanner is currently at the beginning of a line */ private boolean zzAtBOL = true; /** zzAtEOF == true <=> the scanner is at the EOF */ private boolean zzAtEOF; /** denotes if the user-EOF-code has already been executed */ private boolean zzEOFDone; /* user code: */ StringBuffer string = new StringBuffer(); public int getCharOffset() { return yychar; } public int getLineNumber() { return yyline; } public int getColumn() { return yycolumn; } /** * Creates a new scanner * There is also a java.io.InputStream version of this constructor. * * @param in the java.io.Reader to read input from. */ JsonLexer(java.io.Reader in) { this.zzReader = in; } /** * Creates a new scanner. * There is also java.io.Reader version of this constructor. * * @param in the java.io.Inputstream to read input from. */ JsonLexer(java.io.InputStream in) { this(new java.io.InputStreamReader(in)); } /** * Unpacks the compressed character translation table. * * @param packed the packed character translation table * @return the unpacked character translation table */ private static char [] zzUnpackCMap(String packed) { char [] map = new char[0x10000]; int i = 0; /* index in packed string */ int j = 0; /* index in unpacked array */ while (i < 92) { int count = packed.charAt(i++); char value = packed.charAt(i++); do map[j++] = value; while (--count > 0); } return map; } /** * Refills the input buffer. * * @return <code>false</code>, iff there was new input. * * @exception java.io.IOException if any I/O-Error occurs */ private boolean zzRefill() throws java.io.IOException { /* first: make room (if you can) */ if (zzStartRead > 0) { System.arraycopy(zzBuffer, zzStartRead, zzBuffer, 0, zzEndRead-zzStartRead); /* translate stored positions */ zzEndRead-= zzStartRead; zzCurrentPos-= zzStartRead; zzMarkedPos-= zzStartRead; zzStartRead = 0; } /* is the buffer big enough? */ if (zzCurrentPos >= zzBuffer.length) { /* if not: blow it up */ char newBuffer[] = new char[zzCurrentPos*2]; System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length); zzBuffer = newBuffer; } /* finally: fill the buffer with new input */ int numRead = zzReader.read(zzBuffer, zzEndRead, zzBuffer.length-zzEndRead); if (numRead > 0) { zzEndRead+= numRead; return false; } // unlikely but not impossible: read 0 characters, but not at end of stream if (numRead == 0) { int c = zzReader.read(); if (c == -1) { return true; } else { zzBuffer[zzEndRead++] = (char) c; return false; } } // numRead < 0 return true; } /** * Closes the input stream. */ public final void yyclose() throws java.io.IOException { zzAtEOF = true; /* indicate end of file */ zzEndRead = zzStartRead; /* invalidate buffer */ if (zzReader != null) zzReader.close(); } /** * Resets the scanner to read from a new input stream. * Does not close the old reader. * * All internal variables are reset, the old input stream * <b>cannot</b> be reused (internal buffer is discarded and lost). * Lexical state is set to <tt>ZZ_INITIAL</tt>. * * @param reader the new input stream */ public final void yyreset(java.io.Reader reader) { zzReader = reader; zzAtBOL = true; zzAtEOF = false; zzEOFDone = false; zzEndRead = zzStartRead = 0; zzCurrentPos = zzMarkedPos = 0; yyline = yychar = yycolumn = 0; zzLexicalState = YYINITIAL; } /** * Returns the current lexical state. */ public final int yystate() { return zzLexicalState; } /** * Enters a new lexical state * * @param newState the new lexical state */ public final void yybegin(int newState) { zzLexicalState = newState; } /** * Returns the text matched by the current regular expression. */ public final String yytext() { return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead ); } /** * Returns the character at position <tt>pos</tt> from the * matched text. * * It is equivalent to yytext().charAt(pos), but faster * * @param pos the position of the character to fetch. * A value from 0 to yylength()-1. * * @return the character at position pos */ public final char yycharat(int pos) { return zzBuffer[zzStartRead+pos]; } /** * Returns the length of the matched text region. */ public final int yylength() { return zzMarkedPos-zzStartRead; } /** * Reports an error that occured while scanning. * * In a wellformed scanner (no or only correct usage of * yypushback(int) and a match-all fallback rule) this method * will only be called with things that "Can't Possibly Happen". * If this method is called, something is seriously wrong * (e.g. a JFlex bug producing a faulty scanner etc.). * * Usual syntax/scanner level error handling should be done * in error fallback rules. * * @param errorCode the code of the errormessage to display */ private void zzScanError(int errorCode) { String message; try { message = ZZ_ERROR_MSG[errorCode]; } catch (ArrayIndexOutOfBoundsException e) { message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR]; } throw new Error(message); } /** * Pushes the specified amount of characters back into the input stream. * * They will be read again by then next call of the scanning method * * @param number the number of characters to be read again. * This number must not be greater than yylength()! */ public void yypushback(int number) { if ( number > yylength() ) zzScanError(ZZ_PUSHBACK_2BIG); zzMarkedPos -= number; } /** * Resumes scanning until the next regular expression is matched, * the end of input is encountered or an I/O-Error occurs. * * @return the next token * @exception java.io.IOException if any I/O-Error occurs */ public JsonToken yylex() throws java.io.IOException { int zzInput; int zzAction; // cached fields: int zzCurrentPosL; int zzMarkedPosL; int zzEndReadL = zzEndRead; char [] zzBufferL = zzBuffer; char [] zzCMapL = ZZ_CMAP; int [] zzTransL = ZZ_TRANS; int [] zzRowMapL = ZZ_ROWMAP; int [] zzAttrL = ZZ_ATTRIBUTE; while (true) { zzMarkedPosL = zzMarkedPos; yychar+= zzMarkedPosL-zzStartRead; boolean zzR = false; for (zzCurrentPosL = zzStartRead; zzCurrentPosL < zzMarkedPosL; zzCurrentPosL++) { switch (zzBufferL[zzCurrentPosL]) { case '\u000B': case '\u000C': case '\u0085': case '\u2028': case '\u2029': yyline++; yycolumn = 0; zzR = false; break; case '\r': yyline++; yycolumn = 0; zzR = true; break; case '\n': if (zzR) zzR = false; else { yyline++; yycolumn = 0; } break; default: zzR = false; yycolumn++; } } if (zzR) { // peek one character ahead if it is \n (if we have counted one line too much) boolean zzPeek; if (zzMarkedPosL < zzEndReadL) zzPeek = zzBufferL[zzMarkedPosL] == '\n'; else if (zzAtEOF) zzPeek = false; else { boolean eof = zzRefill(); zzEndReadL = zzEndRead; zzMarkedPosL = zzMarkedPos; zzBufferL = zzBuffer; if (eof) zzPeek = false; else zzPeek = zzBufferL[zzMarkedPosL] == '\n'; } if (zzPeek) yyline--; } zzAction = -1; zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL; zzState = ZZ_LEXSTATE[zzLexicalState]; zzForAction: { while (true) { if (zzCurrentPosL < zzEndReadL) zzInput = zzBufferL[zzCurrentPosL++]; else if (zzAtEOF) { zzInput = YYEOF; break zzForAction; } else { // store back cached positions zzCurrentPos = zzCurrentPosL; zzMarkedPos = zzMarkedPosL; boolean eof = zzRefill(); // get translated positions and possibly new buffer zzCurrentPosL = zzCurrentPos; zzMarkedPosL = zzMarkedPos; zzBufferL = zzBuffer; zzEndReadL = zzEndRead; if (eof) { zzInput = YYEOF; break zzForAction; } else { zzInput = zzBufferL[zzCurrentPosL++]; } } int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ]; if (zzNext == -1) break zzForAction; zzState = zzNext; int zzAttributes = zzAttrL[zzState]; if ( (zzAttributes & 1) == 1 ) { zzAction = zzState; zzMarkedPosL = zzCurrentPosL; if ( (zzAttributes & 8) == 8 ) break zzForAction; } } } // store back cached position zzMarkedPos = zzMarkedPosL; switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) { case 6: { return (new JsonToken(JsonToken.START_ARRAY, yytext(), yyline, yychar, yychar+1, yycolumn)); } case 25: break; case 24: { string.append(Character.toChars(Integer.parseInt(yytext().substring(2),16))); } case 26: break; case 23: { return (new JsonToken(JsonToken.FALSE, yytext(), yyline, yychar, yychar+yylength(), yycolumn)); } case 27: break; case 4: { return (new JsonToken(JsonToken.COMMA, yytext(), yyline, yychar, yychar+1, yycolumn)); } case 28: break; case 16: { string.append('\n'); } case 29: break; case 1: { throw new JsonFormatException(yytext(), yyline, yycolumn, "Unexpected character: " + yytext() + " (line: " + (yyline + 1) + ", column: " + (yycolumn + 1) + ")"); } case 30: break; case 20: { string.append('\b'); } case 31: break; case 3: { return (new JsonToken(JsonToken.NUMBER, yytext(), yyline, yychar, yychar+yylength(), yycolumn)); } case 32: break; case 12: { yybegin(YYINITIAL); return (new JsonToken(JsonToken.STRING, string.toString(), yyline, yychar, yychar+string.length(), yycolumn)); } case 33: break; case 19: { string.append('/'); } case 34: break; case 18: { string.append('\\'); } case 35: break; case 7: { return (new JsonToken(JsonToken.END_ARRAY, yytext(), yyline, yychar, yychar+1, yycolumn)); } case 36: break; case 8: { return (new JsonToken(JsonToken.START_OBJECT, yytext(), yyline, yychar, yychar+1, yycolumn)); } case 37: break; case 22: { return (new JsonToken(JsonToken.NULL, yytext(), yyline, yychar, yychar+yylength(), yycolumn)); } case 38: break; case 10: { string.setLength(0); yybegin(STRING); } case 39: break; case 14: { string.append('\r'); } case 40: break; case 11: { string.append(yytext()); } case 41: break; case 21: { return (new JsonToken(JsonToken.TRUE, yytext(), yyline, yychar, yychar+yylength(), yycolumn)); } case 42: break; case 17: { string.append('\"'); } case 43: break; case 9: { return (new JsonToken(JsonToken.END_OBJECT, yytext(), yyline, yychar, yychar+1, yycolumn)); } case 44: break; case 5: { return (new JsonToken(JsonToken.COLON, yytext(), yyline, yychar, yychar+1, yycolumn)); } case 45: break; case 15: { string.append('\f'); } case 46: break; case 13: { string.append('\t'); } case 47: break; case 2: { } case 48: break; default: if (zzInput == YYEOF && zzStartRead == zzCurrentPos) { zzAtEOF = true; switch (zzLexicalState) { case STRING: { throw new JsonFormatException(null, yyline, yycolumn, "Unexpected end of file."); } case 49: break; default: return null; } } else { zzScanError(ZZ_NO_MATCH); } } } } }